MyBatis | BestHub

Java Architect Essentials

Jun 14, 2025 · Backend Development

Why System.out.println() Can Kill Your MyBatis Performance and How to Fix It

This article explains why MyBatis's default StdOutImpl logging, which relies on System.out.println, blocks threads and creates severe concurrency bottlenecks, and demonstrates how to replace it with asynchronous logging implementations like Slf4jImpl, configure log levels, and even create custom Log classes for optimal performance.

ConcurrencyJavaMyBatis

0 likes · 8 min read

Why System.out.println() Can Kill Your MyBatis Performance and How to Fix It

Architect's Tech Stack

Jun 11, 2025 · Backend Development

Master Dynamic Data Permissions in Java with easy-data-scope

This tutorial walks you through building a Spring Boot project that uses the easy-data-scope library to inject dynamic SQL for fine‑grained data permissions, covering database setup, Maven dependencies, core annotations, custom rule implementation, and practical query examples.

Data PermissionJavaMyBatis

0 likes · 11 min read

Master Dynamic Data Permissions in Java with easy-data-scope

JD Tech Talk

Jun 10, 2025 · Backend Development

Instantly Spot Problematic SQL with MyBatis Interceptor Coloring

This article explains how to use SQL coloring in MyBatis by implementing a lightweight interceptor or an AspectJ weave to annotate each SELECT statement with its mapper ID and execution stack, enabling rapid identification of performance bottlenecks during high‑traffic events.

AspectJDatabase MonitoringJava

0 likes · 29 min read

Instantly Spot Problematic SQL with MyBatis Interceptor Coloring

Architect's Guide

May 19, 2025 · Backend Development

Refactoring Data Validation with Java 8 Functional Interfaces and Lambda Expressions

This article demonstrates how to use Java 8's Function and SFunction functional interfaces together with lambda expressions to abstract and reuse data‑validation logic, dramatically reducing repetitive code, improving readability, and enabling flexible, generic validation across various backend entities.

Functional ProgrammingJavaMyBatis

0 likes · 13 min read

Refactoring Data Validation with Java 8 Functional Interfaces and Lambda Expressions

Top Architect

May 10, 2025 · Backend Development

Optimizing a High‑Concurrency Backend Interface: Reducing Response Time from 30 seconds to 0.8 seconds

This article presents a real‑world case study of a high‑traffic backend API that originally took 30 seconds to process over two million records, detailing problem diagnosis, SQL and Java code analysis, and a series of optimizations—including SQL rewrites, database‑side aggregation, and Caffeine caching—that ultimately cut the response time to under one second.

Caffeine CacheJavaMyBatis

0 likes · 13 min read

Optimizing a High‑Concurrency Backend Interface: Reducing Response Time from 30 seconds to 0.8 seconds

Java Captain

May 9, 2025 · Backend Development

Configuring MyBatis Dynamic SQL with XML and Annotation: Setup, Code Samples, and Pros & Cons

This article explains how to configure MyBatis for dynamic SQL using XML mapper files and annotation-based methods, provides step‑by‑step code examples, and compares the advantages and disadvantages of each approach to help developers choose the best solution for their projects.

AnnotationsDynamic SQLJava

0 likes · 5 min read

Configuring MyBatis Dynamic SQL with XML and Annotation: Setup, Code Samples, and Pros & Cons

Java Captain

May 8, 2025 · Backend Development

Guide to Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot

This tutorial explains how to set up and use the easy-data-scope library in a Spring Boot project to implement dynamic SQL data‑permission rules with MyBatis, covering database preparation, Maven dependencies, core annotations, configuration files, and example queries for various permission scenarios.

Data PermissionJavaMyBatis

0 likes · 10 min read

Guide to Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot

Selected Java Interview Questions

May 7, 2025 · Backend Development

Easy-Data-Scope: A Simple Data‑Permission Library for MyBatis and Spring Boot

This article introduces easy-data-scope, a lightweight Java library that enables dynamic SQL‑based data permission control for MyBatis, MyBatis‑Plus, and MyBatis‑Flex, showing how to set up the project, configure dependencies, define annotations, and apply various permission scenarios with code examples.

AnnotationData PermissionJava

0 likes · 9 min read

Easy-Data-Scope: A Simple Data‑Permission Library for MyBatis and Spring Boot

macrozheng

Apr 30, 2025 · Backend Development

Master Dynamic Data Permissions in Spring Boot with Easy-Data-Scope

This tutorial walks through setting up the easy-data-scope library in a Spring Boot project, configuring the database and dependencies, defining DataScopeInfo, using the @DataScope annotation, and demonstrating various permission scenarios such as filtering by ID, age, merging conditions, and custom templates.

AnnotationData PermissionJava

0 likes · 11 min read

Master Dynamic Data Permissions in Spring Boot with Easy-Data-Scope

Java Tech Enthusiast

Apr 29, 2025 · Backend Development

Implementing Data Isolation with MyBatis Interceptor and Custom Annotations

The article describes how to enforce environment‑based data isolation in a shared database by adding an env column, using a MyBatis interceptor to inject and filter this field at runtime, and employing a custom @InvokeChainSkipEnvRule annotation with AOP to selectively bypass the rule, keeping existing code untouched.

AOPCustom AnnotationData Isolation

0 likes · 9 min read

Implementing Data Isolation with MyBatis Interceptor and Custom Annotations

Code Ape Tech Column

Apr 27, 2025 · Backend Development

Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot

This guide demonstrates how to integrate the easy-data-scope library into a Spring Boot project to implement dynamic, annotation‑driven SQL data permissions with MyBatis, covering project setup, dependency configuration, core interfaces, annotation options, and practical query examples.

AnnotationsData PermissionJava

0 likes · 7 min read

Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot

Top Architecture Tech Stack

Apr 25, 2025 · Databases

MyBatis-Mate: Enterprise-Level Features for Sharding, Encryption, Data Permissions and Automatic DDL Management

mybatis-mate is an enterprise‑level MyBatis‑Plus extension that offers sharding, data auditing, dictionary binding, field encryption, sensitive‑word filtering, automatic DDL maintenance, multi‑datasource switching, performance logging, and data‑scope control, providing a comprehensive solution for agile and secure database operations.

Data PermissionDatabaseJava

0 likes · 12 min read

MyBatis-Mate: Enterprise-Level Features for Sharding, Encryption, Data Permissions and Automatic DDL Management

Java Captain

Apr 23, 2025 · Backend Development

Custom MyBatis TypeHandler for Automatic JSON and Enum Conversion

This article explains how to create custom MyBatis TypeHandler classes to automatically convert Java objects—such as JSON strings and enum codes—to appropriate JDBC types, simplifying data persistence in Spring Boot applications and improving code maintainability.

DatabaseEnumJSON

0 likes · 9 min read

Custom MyBatis TypeHandler for Automatic JSON and Enum Conversion

Java Captain

Apr 22, 2025 · Backend Development

Implementing Data Isolation with MyBatis Interceptor and Custom Annotations in Java

This article describes how to achieve multi‑environment data isolation in a Java backend by adding an env field to tables, using a MyBatis interceptor with JSqlParser to rewrite SQL, and applying custom annotations and AOP to control environment‑specific logic while preserving existing business code.

Custom AnnotationData IsolationInterceptor

0 likes · 9 min read

Implementing Data Isolation with MyBatis Interceptor and Custom Annotations in Java

Java Tech Enthusiast

Apr 18, 2025 · Backend Development

McDonald's Java Backend Interview Experience: IoC/DI, MyBatis, JVM, Concurrency, Docker/K8s

The article recounts a McDonald's China backend interview, explaining IoC/DI concepts, MyBatis benefits, JVM garbage‑collection and memory layout, MySQL engine differences, concurrency locking strategies, RPC advantages over HTTP, HTTPS basics, essential Docker/Kubernetes commands, and a typical Git workflow.

DockerGitInterview

0 likes · 17 min read

McDonald's Java Backend Interview Experience: IoC/DI, MyBatis, JVM, Concurrency, Docker/K8s

macrozheng

Apr 16, 2025 · Backend Development

Which Java Technologies Are Truly Obsolete? A 2024 Guide for Developers

This article reviews common Java backend technologies, explains why JSP, Struts, Hibernate and several legacy tools are no longer worth learning, and highlights the essential concepts—especially deep mastery of Servlets—that modern Java developers should focus on in 2024.

HibernateMyBatisServlet

0 likes · 9 min read

Which Java Technologies Are Truly Obsolete? A 2024 Guide for Developers

Selected Java Interview Questions

Apr 15, 2025 · Backend Development

Design and Implementation of Data Permission in Backend Projects Using MyBatis Interceptor and Spring Boot Auto‑Configuration

This article explains a low‑intrusion data‑permission design for backend micro‑services, detailing resource and value‑rule definitions, RBAC modeling, MyBatis SQL interception implementation, Redis‑based permission retrieval, and Spring Boot auto‑configuration for easy enablement in production.

Data PermissionMyBatisRBAC

0 likes · 9 min read

Design and Implementation of Data Permission in Backend Projects Using MyBatis Interceptor and Spring Boot Auto‑Configuration

Selected Java Interview Questions

Apr 10, 2025 · Backend Development

Understanding PageHelper Issues and ThreadLocal Pitfalls in MyBatis

This article analyzes unexpected behaviors caused by PageHelper in a Java backend project, such as duplicate user registration, limited query results, and password‑reset errors, and explains how ThreadLocal pagination parameters, startPage(), and cleanup mechanisms lead to these problems while offering practical debugging tips.

JavaMyBatisPageHelper

0 likes · 11 min read

Understanding PageHelper Issues and ThreadLocal Pitfalls in MyBatis

Architecture Digest

Apr 9, 2025 · Backend Development

Understanding MyBatis First‑Level and Second‑Level Caches and Their Integration with Spring Boot

This article explains MyBatis's two‑level caching mechanism, detailing how first‑level session cache works, why it often fails in Spring Boot without transactions, how to enable and configure second‑level cache, and the potential pitfalls of cache inconsistency across mapper namespaces.

CacheJavaMyBatis

0 likes · 8 min read

Understanding MyBatis First‑Level and Second‑Level Caches and Their Integration with Spring Boot

Top Architect

Apr 7, 2025 · Databases

Design and Implementation of Database Table Sharding for Loan and Repayment Applications

This article details the end‑to‑end design, configuration, and code implementation of a sharding solution for loan and repayment tables, covering database schema changes, historical data migration, dynamic synchronization switches, transaction handling, and practical pitfalls when using Spring Boot 3 with ShardingSphere.

DatabaseJavaMyBatis

0 likes · 18 min read

Design and Implementation of Database Table Sharding for Loan and Repayment Applications